using System;
using System.Collections.Generic;
using System.Text;

namespace 自学
{
    class Program
    {
        public void F(ref int x,ref int y,ref int z,ref int n)
    {
        
            for (int i = 0; i < n;i++ )
            z = x * (1 + y);
    }
        static void Main(string[] args)
        {
            Console.WriteLine("请输入本金:");
            int B = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("请输入利率:");
            int L = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("请输入时间:");
            int N = Convert.ToInt32(Console.ReadLine());
            int Z=0;
            F(ref B, ref L,ref Z,ref N);
            Console.WriteLine("本利和为{0}", Z);

        }
    }
}

using System;
using System.Collections.Generic;
using System.Text;

namespace 自学
{
    class Program
    {
        public void F(ref int x, ref int y, ref int z, ref int n)
        {

            for (int i = 0; i < n; i++)
            {
                z = (x * (1 + y))*i;
            }
        }
        static void Main(string[] args)
        {
            Console.WriteLine("请输入本金:");
            int B = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("请输入利率:");
            int L = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("请输入时间:");
            int N = Convert.ToInt32(Console.ReadLine());
            int Z=0;
            F(ref B, ref L,ref Z,ref N);
            Console.WriteLine("本利和为{0}", Z);

        }
    }
}
是在是找不到错啊 ，有没有人帮忙看一下 啊，哭了！！！